nothing less than

come to nothing

To fail completely; to have no result.

couldn't care less

To not care at all; to have no interest or concern; to be apathetic.

dance on nothing

To be hanged.

here goes nothing

Indicates a lack of confidence or certainty about the activity about to be tried.

hiding to nothing

A situation in which victory has little or no value, but defeat has a huge cost.

if nothing else

At the very least; as a minimum.

much ado about nothing

A lot of fuss or bother about something trivial.

nothing doing

Absolutely not; definitely no.